Clock



FIG. 1 is a perspective view of a clock showing my new design;

FIG. 2 is a first front view thereof;

FIG. 3 is a second front view thereof, with the face in a first alternate position;

FIG. 4 is a third front view thereof; with the face in a second alternate position;

FIG. 5 is a fourth front view thereof with the face in a third alternate position.

FIG. 6 is a rear view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a plan view thereof; and,

FIG. 10 is a bottom view thereof. 

CLAIM The ornamental design for a clock, as shown and described. 